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Finding the Fourth Proportional to 207,299.66, 286,079.06 and 116,658.86

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Solution

The fourth proportional to 207,299.66, 286,079.06 and 116,658.86 is: 160,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,299.66 : 286,079.06 = 116,658.86 : x
  2. Step 2: Convert to fraction form
    207,299.66/286,079.06 = 116,658.86/x
  3. Step 3: Cross multiply
    207,299.66x = 286,079.06 × 116,658.86
  4. Step 4: Simplify right side
    207,299.66x = 33,373,656,426.18
  5. Step 5: Solve for x
    x = 33,373,656,426.18/207,299.66
  6. Step 6: Final answer
    x = 160,992.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.